Question

—The two people speak different languages and can not communicate with each other well.
—Oh，I see.That’s ________ misunderstanding occurs.

A．when

B．what

C．that

D．why

Answer 1

D
解析　考查表语从句。结合语境“这就是误解产生的原因”可知，此处应用why引导表语从句。